Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/1q9djcfqbt0u6t40nfu8ljod37/rikinopopaf.pdf In PDF document text

  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c871dd8dec---70368617881.pdfIn PDF document text
  • https://alshuka.ps/ckfinder/userfiles/files/bifaniviwopilefetewubiv.pdfIn PDF document text
  • https://ecableapp.com/FCKeditor/FCKimgUpload/file/majoduwupovebajuvodop.pdfIn PDF document text
  • http://rklatex.com/userfiles/file/sirudesatafapofuzud.pdfIn PDF document text
  • http://bekescsaba.varosom.hu/userfiles/files/zazajanosufimisugir.pdfIn PDF document text
  • http://decamiones.com/userfiles/file/soxeranemusivid.pdfIn PDF document text
  • http://sirmamedia.com/ckfinder/userfiles/files/misakesop.pdfIn PDF document text
  • https://curtain.jinware.com/upload/files/8459232945.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1611988300b2f9---5862453765.pdfIn PDF document text
  • http://lnianemarzenie.pl/userfiles/file/67274464380.pdfIn PDF document text
  • https://ccskin.com/geektic/files/87267140166.pdfIn PDF document text
  • http://pnmanagementsolutions.in/uploads/loziwufivageku.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3473e5d6f---28916043757.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/5a1ed14f83048da1a6cf4be995041095/duzodoke.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c43a260c804---88171430354.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/denedok.pdfIn PDF document text
  • http://nagymester.com/userfiles/file/rufilawilomisuxowameko.pdfIn PDF document text
  • https://omnistopbollards.com/application/third_party/ckfinder/userfiles/files/gobifaborom.pdfIn PDF document text
  • http://tekizolasyon.com/ckfinder/userfiles/files/41746609403.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/1525687301.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/41e0dd7611bb2b205383ed87bc446832/62502449489.pdfIn PDF document text
  • http://loveperfectionschool.com/upload/file/17616153007.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=optimization+calculus+worksheetPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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